Enumerate 4 Basic Math Operation and labelists part是指什么

Enumerate 4 Basic Math Operation and labelists part是指什么 enumerate and label the part and functions of an animal,plan what si basic operation of internet base and basic and basis有什么意思上不同 operation什么意思 in operation什么意思? Operation Overlord什么意思 commissioning test and operation是什么意思 operation是啥子意思? 用：address,basic,card,part,scene写一段话 We have English,math and science on Thursdays什么意思 I like English and I a什么like math.